From: Noam Camus <noamc@xxxxxxxxxx>
This is now matches device endianness.
Signed-off-by: Noam Camus <noamc@xxxxxxxxxx>
---
drivers/tty/serial/8250/8250_dw.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index 620f983..a64197c 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -291,7 +291,9 @@ static bool dw8250_dma_filter(struct dma_chan *chan, void *param)
static void dw8250_setup_port(struct uart_8250_port *up)
{
struct uart_port *p = &up->port;
- u32 reg = readl(p->membase + DW_UART_UCV);
+ u32 reg = (p->iotype == UPIO_MEM32BE) ?
+ ioread32be(p->membase + DW_UART_UCV) :
+ readl(p->membase + DW_UART_UCV);
/*
* If the Component Version Register returns zero, we know that
@@ -303,7 +305,9 @@ static void dw8250_setup_port(struct uart_8250_port *up)
dev_dbg_ratelimited(p->dev, "Designware UART version %c.%c%c\n",
(reg >> 24) & 0xff, (reg >> 16) & 0xff, (reg >> 8) & 0xff);
- reg = readl(p->membase + DW_UART_CPR);
+ reg = (p->iotype == UPIO_MEM32BE) ?
+ ioread32be(p->membase + DW_UART_CPR) :
+ readl(p->membase + DW_UART_CPR);
if (!reg)
return;
--
1.7.1
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